Lightmatter

Hardware Systems Technical Lead (Photonic AI)

In short

This role leads hardware systems development for silicon-photonics AI accelerators and interconnect products, owning board- and system-level solutions from concept through production. The company builds photonic AI infrastructure hardware, requiring deep expertise in high-speed interfaces (SerDes, PCIe, Ethernet, SPI/QSPI, I3C, I2C, JTAG) and VRMs. The role spans cross-disciplinary collaboration across electrical, mechanical, firmware, and photonics domains, plus mentoring engineers, and demands 7+ years of hardware systems experience with a track record of shipping complex products.

About the Role
You will provide technical leadership for hardware systems that support silicon-photonics AI accelerators and interconnect products. You will define, develop, integrate, verify, and validate board- and system-level solutions from concept through production. You will work across electrical, mechanical, firmware, photonics, packaging, and software disciplines, maintain engineering documentation, investigate technologies, improve development practices, and mentor engineers.
Requirements
•Bachelor's degree in Electrical Engineering or a related discipline
•7+ years of relevant industry experience
•Track record of taking multiple complex hardware systems from concept through production
•Deep knowledge of VRMs, high-speed SerDes, PCIe, Ethernet, SPI/QSPI, I3C, I2C, and JTAG
•Experience leading multidisciplinary development, integration, and troubleshooting across electrical, mechanical, and firmware domains
•Ability to work in ambiguous and dynamic environments
Responsibilities
•Collaborate with system architects and technical leads to define and develop hardware systems for photonic AI infrastructure applications
•Own hardware systems development from concept through production
•Define, develop, and review PCBAs to meet system-level electrical, power, and interface requirements
•Lead hands-on integration, verification, and validation across bench bring-up, EVT/DVT, and production release
•Drive cross-functional collaboration to resolve dependencies and manage tradeoffs
•Maintain hardware documentation, including schematics, design reviews, test plans, and validation reports
•Research components and technologies, contribute to the technology roadmap, and improve engineering practices
•Mentor and provide technical guidance to engineers
Benefits
•Comprehensive health care plan
•Retirement savings matching program
•Life insurance
•Generous time off
•Paid family leave
•Short-term and long-term disability coverage
•Commuter benefits
•Flexible hybrid workplace model
•Equity grants for applicable full-time employees

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